Prof. Marshall Bierson contrasts Thomistic Catholic ethics with utilitarian and Kantian moral theories by arguing that the good is fundamentally an activity of loving persons rather than a state of affairs like aggregate happiness or an abstract form of rational nature.

This lecture was given on January 23rd, 2026, at Washington & Lee University.

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About the Speakers:

Marshall Bierson is an assistant professor of philosophy at the Catholic University of America. His research centers on the intersection of ethics and philosophical anthropology. He is particularly focused on the work of Elizabeth Anscombe and in exploring how her Thomisticly inflected philosophical psychology clarifies moral absolutes.

Keywords: Aristotelian Thomism, Catholic Ethics, Catholic Moral Philosophy, Intrinsic And Extrinsic Value, Kantian Rational Nature, Love And The Good, Pleasure And Moral Value, Thomistic Axiology, Utilitarianism And Happiness